Country Background
HistoryAQIPM2.5PM10COSO2NO2O3

Analyse Historique de la Qualité de l'Air à Changan, Hunan, China

Plongez dans des détails sur la qualité de l'air avec des données historiques, des tendances mensuelles et annuelles à portée de main !

Bon
050
Modéré
100
Pauvre
150
Non sain
200
Sévère
300
Dangereux
301+

Analyse de la qualité de l'air de Août

Changan, Hunan, China

2021
2022
2023
2024
2025
AQI
.
Jours

Tendances AQI : Le plus élevé et le plus bas

AQI le plus élevé enregistré le
1st Aug 2021
110AQI
AQI le plus bas enregistré le
1st Aug 2024
23AQI

Analyse du même jour (4th August ):
Ce jour-là, l'AQI au cours des 5 années a varié de manière significative : 2025 se classe 3rd le plus élevé AQI à 62 de Modéré qualité de l'air, montrant une amélioration par rapport à 2023 et 2021 le même jour.

Télécharger les données annuelles 2024

Rapport mondial sur la qualité de l'air

Globe

Tendance AQI Jour & Nuit : 4th Aug - 5th Aug 2025

Changan, Hunan, China

AQI
Jour
Nuit
.

5 AM4th Aug 2025

7 PM

4 AM5th Aug 2025

Heure du jour
Heure moyenne la plus haute
9AM4th Aug

69AQI

Heure moyenne la plus basse
5PM4th Aug

50AQI

Heure de la nuit
Heure moyenne la plus haute
4AM5th Aug

63AQI

Heure moyenne la plus basse
8PM4th Aug

58AQI

Au cours des 24 dernières heures,

L'AQI de Changan a atteint son point le plus élevé de 69 à 9 AM pendant le Jour, tandis que le point le plus bas, 50, a été enregistré à 5 PM pendant le Jour entre 4th Aug et 5th Aug 2025.

Tendance AQI Jour & Nuit : Jul - Aug 2025

Changan, Hunan, China

JulAug
06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th
Jour
Nuit
6th Jul 2025535 AMAQI
6th Jul 2025536 AMAQI
6th Jul 2025537 AMAQI
6th Jul 2025608 AMAQI
6th Jul 2025729 AMAQI
6th Jul 20257310 AMAQI
6th Jul 20257311 AMAQI
6th Jul 20256412 PMAQI
6th Jul 2025671 PMAQI
6th Jul 2025672 PMAQI
6th Jul 2025683 PMAQI
6th Jul 2025664 PMAQI
6th Jul 2025665 PMAQI
6th Jul 2025626 PMAQI
6th Jul 2025627 PMAQI
6th Jul 2025568 PMAQI
6th Jul 2025579 PMAQI
6th Jul 20255710 PMAQI
6th Jul 20255811 PMAQI
7th Jul 20255812 AMAQI
7th Jul 2025541 AMAQI
7th Jul 2025542 AMAQI
7th Jul 2025543 AMAQI
7th Jul 2025554 AMAQI

32°C28/37°C

7th Jul 2025555 AMAQI
7th Jul 2025546 AMAQI
7th Jul 2025557 AMAQI
7th Jul 2025598 AMAQI
7th Jul 2025649 AMAQI
7th Jul 20256110 AMAQI
7th Jul 20257011 AMAQI
7th Jul 20256812 PMAQI
7th Jul 2025701 PMAQI
7th Jul 2025662 PMAQI
7th Jul 2025683 PMAQI
7th Jul 2025674 PMAQI
7th Jul 2025655 PMAQI
7th Jul 2025616 PMAQI
7th Jul 2025627 PMAQI
7th Jul 2025628 PMAQI
7th Jul 2025629 PMAQI
7th Jul 20256210 PMAQI
7th Jul 20256111 PMAQI
8th Jul 20256212 AMAQI
8th Jul 2025571 AMAQI
8th Jul 2025572 AMAQI
8th Jul 2025573 AMAQI
8th Jul 2025584 AMAQI

32°C27/38°C

8th Jul 2025585 AMAQI
8th Jul 2025586 AMAQI
8th Jul 2025587 AMAQI
8th Jul 2025708 AMAQI
8th Jul 2025799 AMAQI
8th Jul 20257910 AMAQI
8th Jul 20257211 AMAQI
8th Jul 20257012 PMAQI
8th Jul 2025681 PMAQI
8th Jul 2025682 PMAQI
8th Jul 2025683 PMAQI
8th Jul 2025684 PMAQI
8th Jul 2025685 PMAQI
8th Jul 2025586 PMAQI
8th Jul 2025547 PMAQI
8th Jul 2025598 PMAQI
8th Jul 2025639 PMAQI
8th Jul 20256410 PMAQI
8th Jul 20256211 PMAQI
9th Jul 20256312 AMAQI
9th Jul 2025601 AMAQI
9th Jul 2025612 AMAQI
9th Jul 2025613 AMAQI
9th Jul 2025634 AMAQI

32°C28/38°C

9th Jul 2025635 AMAQI
9th Jul 2025636 AMAQI
9th Jul 2025637 AMAQI
9th Jul 2025668 AMAQI
9th Jul 2025619 AMAQI
9th Jul 20255110 AMAQI
9th Jul 20254411 AMAQI
9th Jul 20254912 PMAQI
9th Jul 2025481 PMAQI
9th Jul 2025492 PMAQI
9th Jul 2025503 PMAQI
9th Jul 2025514 PMAQI
9th Jul 2025475 PMAQI
9th Jul 2025486 PMAQI
9th Jul 2025527 PMAQI
9th Jul 2025618 PMAQI
9th Jul 2025629 PMAQI
9th Jul 20256210 PMAQI
9th Jul 20256011 PMAQI
10th Jul 20256012 AMAQI
10th Jul 2025621 AMAQI
10th Jul 2025622 AMAQI
10th Jul 2025623 AMAQI
10th Jul 2025624 AMAQI

30°C26/34°C

10th Jul 2025625 AMAQI
10th Jul 2025626 AMAQI
10th Jul 2025627 AMAQI
10th Jul 2025508 AMAQI
10th Jul 2025529 AMAQI
10th Jul 20254610 AMAQI
10th Jul 20255111 AMAQI
10th Jul 20255312 PMAQI
10th Jul 2025511 PMAQI
10th Jul 2025512 PMAQI
10th Jul 2025523 PMAQI
10th Jul 2025544 PMAQI
10th Jul 2025515 PMAQI
10th Jul 2025486 PMAQI
10th Jul 2025527 PMAQI
10th Jul 2025598 PMAQI
10th Jul 2025589 PMAQI
10th Jul 20255910 PMAQI
10th Jul 20256011 PMAQI
11th Jul 20256012 AMAQI
11th Jul 2025601 AMAQI
11th Jul 2025612 AMAQI
11th Jul 2025613 AMAQI
11th Jul 2025604 AMAQI

30°C26/34°C

11th Jul 2025605 AMAQI
11th Jul 2025616 AMAQI
11th Jul 2025607 AMAQI
11th Jul 2025688 AMAQI
11th Jul 2025719 AMAQI
11th Jul 20257210 AMAQI
11th Jul 20257611 AMAQI
11th Jul 20257112 PMAQI
11th Jul 2025681 PMAQI
11th Jul 2025672 PMAQI
11th Jul 2025643 PMAQI
11th Jul 2025644 PMAQI
11th Jul 2025635 PMAQI
11th Jul 2025606 PMAQI
11th Jul 2025627 PMAQI
11th Jul 2025628 PMAQI
11th Jul 2025629 PMAQI
11th Jul 20256210 PMAQI
11th Jul 20256211 PMAQI
12th Jul 20256112 AMAQI
12th Jul 2025611 AMAQI
12th Jul 2025602 AMAQI
12th Jul 2025613 AMAQI
12th Jul 2025624 AMAQI

30°C25/34°C

12th Jul 2025625 AMAQI
12th Jul 2025616 AMAQI
12th Jul 2025627 AMAQI
12th Jul 2025578 AMAQI
12th Jul 2025599 AMAQI
12th Jul 20256110 AMAQI
12th Jul 20256211 AMAQI
12th Jul 20256212 PMAQI
12th Jul 2025601 PMAQI
12th Jul 2025632 PMAQI
12th Jul 2025603 PMAQI
12th Jul 2025624 PMAQI
12th Jul 2025615 PMAQI
12th Jul 2025606 PMAQI
12th Jul 2025557 PMAQI
12th Jul 2025598 PMAQI
12th Jul 2025589 PMAQI
12th Jul 20256010 PMAQI
12th Jul 20255911 PMAQI
13th Jul 20255812 AMAQI
13th Jul 2025601 AMAQI
13th Jul 2025612 AMAQI
13th Jul 2025613 AMAQI
13th Jul 2025624 AMAQI

29°C25/33°C

13th Jul 2025615 AMAQI
13th Jul 2025616 AMAQI
13th Jul 2025617 AMAQI
13th Jul 2025528 AMAQI
13th Jul 2025529 AMAQI
13th Jul 20255210 AMAQI
13th Jul 20255411 AMAQI
13th Jul 20255512 PMAQI
13th Jul 2025551 PMAQI
13th Jul 2025532 PMAQI
13th Jul 2025553 PMAQI
13th Jul 2025524 PMAQI
13th Jul 2025545 PMAQI
13th Jul 2025526 PMAQI
13th Jul 2025557 PMAQI
13th Jul 2025588 PMAQI
13th Jul 2025599 PMAQI
13th Jul 20255910 PMAQI
13th Jul 20256011 PMAQI
14th Jul 20255912 AMAQI
14th Jul 2025601 AMAQI
14th Jul 2025602 AMAQI
14th Jul 2025603 AMAQI
14th Jul 2025594 AMAQI

29°C25/34°C

14th Jul 2025605 AMAQI
14th Jul 2025596 AMAQI
14th Jul 2025597 AMAQI
14th Jul 2025608 AMAQI
14th Jul 2025609 AMAQI
14th Jul 20255710 AMAQI
14th Jul 20255611 AMAQI
14th Jul 20255712 PMAQI
14th Jul 2025571 PMAQI
14th Jul 2025572 PMAQI
14th Jul 2025603 PMAQI
14th Jul 2025564 PMAQI
14th Jul 2025575 PMAQI
14th Jul 2025586 PMAQI
14th Jul 2025597 PMAQI
14th Jul 2025588 PMAQI
14th Jul 2025589 PMAQI
14th Jul 20255810 PMAQI
14th Jul 20255911 PMAQI
15th Jul 20255812 AMAQI
15th Jul 2025601 AMAQI
15th Jul 2025592 AMAQI
15th Jul 2025593 AMAQI
15th Jul 2025604 AMAQI

31°C26/36°C

15th Jul 2025605 AMAQI
15th Jul 2025606 AMAQI
15th Jul 2025607 AMAQI
15th Jul 2025588 AMAQI
15th Jul 2025639 AMAQI
15th Jul 20256210 AMAQI
15th Jul 20256411 AMAQI
15th Jul 20256112 PMAQI
15th Jul 2025621 PMAQI
15th Jul 2025592 PMAQI
15th Jul 2025593 PMAQI
15th Jul 2025584 PMAQI
15th Jul 2025575 PMAQI
15th Jul 2025576 PMAQI
15th Jul 2025577 PMAQI
15th Jul 2025608 PMAQI
15th Jul 2025619 PMAQI
15th Jul 20256210 PMAQI
15th Jul 20256111 PMAQI
16th Jul 20256012 AMAQI
16th Jul 2025591 AMAQI
16th Jul 2025592 AMAQI
16th Jul 2025593 AMAQI
16th Jul 2025604 AMAQI

33°C28/38°C

16th Jul 2025605 AMAQI
16th Jul 2025606 AMAQI
16th Jul 2025597 AMAQI
16th Jul 2025608 AMAQI
16th Jul 2025579 AMAQI
16th Jul 20255810 AMAQI
16th Jul 20255211 AMAQI
16th Jul 20255612 PMAQI
16th Jul 2025561 PMAQI
16th Jul 2025582 PMAQI
16th Jul 2025563 PMAQI
16th Jul 2025554 PMAQI
16th Jul 2025555 PMAQI
16th Jul 2025556 PMAQI
16th Jul 2025567 PMAQI
16th Jul 2025628 PMAQI
16th Jul 2025629 PMAQI
16th Jul 20256210 PMAQI
16th Jul 20256211 PMAQI
17th Jul 20256112 AMAQI
17th Jul 2025611 AMAQI
17th Jul 2025602 AMAQI
17th Jul 2025603 AMAQI
17th Jul 2025604 AMAQI

33°C29/39°C

17th Jul 2025605 AMAQI
17th Jul 2025606 AMAQI
17th Jul 2025607 AMAQI
17th Jul 2025578 AMAQI
17th Jul 2025549 AMAQI
17th Jul 20255910 AMAQI
17th Jul 20255611 AMAQI
17th Jul 20255812 PMAQI
17th Jul 2025571 PMAQI
17th Jul 2025582 PMAQI
17th Jul 2025583 PMAQI
17th Jul 2025604 PMAQI
17th Jul 2025635 PMAQI
17th Jul 2025666 PMAQI
17th Jul 2025677 PMAQI
17th Jul 2025648 PMAQI
17th Jul 2025639 PMAQI
17th Jul 20256310 PMAQI
17th Jul 20256311 PMAQI
18th Jul 20256212 AMAQI
18th Jul 2025601 AMAQI
18th Jul 2025602 AMAQI
18th Jul 2025613 AMAQI
18th Jul 2025604 AMAQI

30°C28/35°C

18th Jul 2025605 AMAQI
18th Jul 2025606 AMAQI
18th Jul 2025607 AMAQI
18th Jul 2025608 AMAQI
18th Jul 2025579 AMAQI
18th Jul 20255810 AMAQI
18th Jul 20255411 AMAQI
18th Jul 20256012 PMAQI
18th Jul 2025581 PMAQI
18th Jul 2025652 PMAQI
18th Jul 2025613 PMAQI
18th Jul 2025564 PMAQI
18th Jul 2025515 PMAQI
18th Jul 2025526 PMAQI
18th Jul 2025547 PMAQI
18th Jul 2025608 PMAQI
18th Jul 2025619 PMAQI
18th Jul 20256210 PMAQI
18th Jul 20256211 PMAQI
19th Jul 20256212 AMAQI
19th Jul 2025621 AMAQI
19th Jul 2025622 AMAQI
19th Jul 2025623 AMAQI
19th Jul 2025624 AMAQI

31°C27/37°C

19th Jul 2025615 AMAQI
19th Jul 2025626 AMAQI
19th Jul 2025627 AMAQI
19th Jul 2025648 AMAQI
19th Jul 2025639 AMAQI
19th Jul 20256210 AMAQI
19th Jul 20256211 AMAQI
19th Jul 20256412 PMAQI
19th Jul 2025651 PMAQI
19th Jul 2025672 PMAQI
19th Jul 2025663 PMAQI
19th Jul 2025664 PMAQI
19th Jul 2025625 PMAQI
19th Jul 2025606 PMAQI
19th Jul 2025617 PMAQI
19th Jul 2025638 PMAQI
19th Jul 2025639 PMAQI
19th Jul 20256310 PMAQI
19th Jul 20256411 PMAQI
20th Jul 20256412 AMAQI
20th Jul 2025621 AMAQI
20th Jul 2025622 AMAQI
20th Jul 2025623 AMAQI
20th Jul 2025624 AMAQI

30°C26/35°C

20th Jul 2025625 AMAQI
20th Jul 2025636 AMAQI
20th Jul 2025627 AMAQI
20th Jul 2025638 AMAQI
20th Jul 2025629 AMAQI
20th Jul 20256610 AMAQI
20th Jul 20255811 AMAQI
20th Jul 20256612 PMAQI
20th Jul 2025531 PMAQI
20th Jul 2025522 PMAQI
20th Jul 2025503 PMAQI
20th Jul 2025524 PMAQI
20th Jul 2025445 PMAQI
20th Jul 2025356 PMAQI
20th Jul 2025347 PMAQI
20th Jul 2025558 PMAQI
20th Jul 2025559 PMAQI
20th Jul 20255510 PMAQI
20th Jul 20255211 PMAQI
21st Jul 20255512 AMAQI
21st Jul 2025621 AMAQI
21st Jul 2025632 AMAQI
21st Jul 2025633 AMAQI
21st Jul 2025634 AMAQI

30°C27/34°C

21st Jul 2025625 AMAQI
21st Jul 2025636 AMAQI
21st Jul 2025627 AMAQI
21st Jul 2025468 AMAQI
21st Jul 2025329 AMAQI
21st Jul 20252510 AMAQI
21st Jul 20252211 AMAQI
21st Jul 20252412 PMAQI
21st Jul 2025271 PMAQI
21st Jul 2025252 PMAQI
21st Jul 2025243 PMAQI
21st Jul 2025244 PMAQI
21st Jul 2025285 PMAQI
21st Jul 2025336 PMAQI
21st Jul 2025337 PMAQI
21st Jul 2025528 PMAQI
21st Jul 2025549 PMAQI
21st Jul 20255510 PMAQI
21st Jul 20255511 PMAQI
22nd Jul 20255812 AMAQI
22nd Jul 2025611 AMAQI
22nd Jul 2025622 AMAQI
22nd Jul 2025603 AMAQI
22nd Jul 2025584 AMAQI

31°C26/36°C

22nd Jul 2025575 AMAQI
22nd Jul 2025576 AMAQI
22nd Jul 2025577 AMAQI
22nd Jul 2025298 AMAQI
22nd Jul 2025199 AMAQI
22nd Jul 20252010 AMAQI
22nd Jul 20252011 AMAQI
22nd Jul 20252612 PMAQI
22nd Jul 2025331 PMAQI
22nd Jul 2025312 PMAQI
22nd Jul 2025293 PMAQI
22nd Jul 2025214 PMAQI
22nd Jul 2025195 PMAQI
22nd Jul 2025206 PMAQI
22nd Jul 2025277 PMAQI
22nd Jul 2025468 PMAQI
22nd Jul 2025479 PMAQI
22nd Jul 20254810 PMAQI
22nd Jul 20254811 PMAQI
23rd Jul 20254912 AMAQI
23rd Jul 2025561 AMAQI
23rd Jul 2025592 AMAQI
23rd Jul 2025583 AMAQI
23rd Jul 2025544 AMAQI

29°C26/33°C

23rd Jul 2025545 AMAQI
23rd Jul 2025546 AMAQI
23rd Jul 2025547 AMAQI
23rd Jul 2025288 AMAQI
23rd Jul 2025209 AMAQI
23rd Jul 20252110 AMAQI
23rd Jul 20252111 AMAQI
23rd Jul 20252312 PMAQI
23rd Jul 2025251 PMAQI
23rd Jul 2025242 PMAQI
23rd Jul 2025233 PMAQI
23rd Jul 2025224 PMAQI
23rd Jul 2025215 PMAQI
23rd Jul 2025226 PMAQI
23rd Jul 2025337 PMAQI
23rd Jul 2025428 PMAQI
23rd Jul 2025419 PMAQI
23rd Jul 20254110 PMAQI
23rd Jul 20254111 PMAQI
24th Jul 20254212 AMAQI
24th Jul 2025411 AMAQI
24th Jul 2025522 AMAQI
24th Jul 2025553 AMAQI
24th Jul 2025524 AMAQI

28°C25/30°C

24th Jul 2025525 AMAQI
24th Jul 2025526 AMAQI
24th Jul 2025527 AMAQI
24th Jul 2025348 AMAQI
24th Jul 2025329 AMAQI
24th Jul 20252910 AMAQI
24th Jul 20253511 AMAQI
24th Jul 20254112 PMAQI
24th Jul 2025441 PMAQI
24th Jul 2025432 PMAQI
24th Jul 2025503 PMAQI
24th Jul 2025524 PMAQI
24th Jul 2025525 PMAQI
24th Jul 2025466 PMAQI
24th Jul 2025507 PMAQI
24th Jul 2025508 PMAQI
24th Jul 2025509 PMAQI
24th Jul 20254410 PMAQI
24th Jul 20254811 PMAQI
25th Jul 20254412 AMAQI
25th Jul 2025521 AMAQI
25th Jul 2025522 AMAQI
25th Jul 2025523 AMAQI
25th Jul 2025524 AMAQI

30°C25/35°C

25th Jul 2025515 AMAQI
25th Jul 2025516 AMAQI
25th Jul 2025517 AMAQI
25th Jul 2025488 AMAQI
25th Jul 2025539 AMAQI
25th Jul 20255010 AMAQI
25th Jul 20255411 AMAQI
25th Jul 20255412 PMAQI
25th Jul 2025601 PMAQI
25th Jul 2025602 PMAQI
25th Jul 2025593 PMAQI
25th Jul 2025544 PMAQI
25th Jul 2025415 PMAQI
25th Jul 2025386 PMAQI
25th Jul 2025427 PMAQI
25th Jul 2025488 PMAQI
25th Jul 2025529 PMAQI
25th Jul 20255010 PMAQI
25th Jul 20255211 PMAQI
26th Jul 20255212 AMAQI
26th Jul 2025521 AMAQI
26th Jul 2025522 AMAQI
26th Jul 2025523 AMAQI
26th Jul 2025524 AMAQI

31°C26/37°C

26th Jul 2025525 AMAQI
26th Jul 2025526 AMAQI
26th Jul 2025527 AMAQI
26th Jul 2025528 AMAQI
26th Jul 2025529 AMAQI
26th Jul 20255710 AMAQI
26th Jul 20256011 AMAQI
26th Jul 20256212 PMAQI
26th Jul 2025641 PMAQI
26th Jul 2025582 PMAQI
26th Jul 2025553 PMAQI
26th Jul 2025534 PMAQI
26th Jul 2025565 PMAQI
26th Jul 2025546 PMAQI
26th Jul 2025557 PMAQI
26th Jul 2025588 PMAQI
26th Jul 2025589 PMAQI
26th Jul 20255610 PMAQI
26th Jul 20255511 PMAQI
27th Jul 20255312 AMAQI
27th Jul 2025531 AMAQI
27th Jul 2025532 AMAQI
27th Jul 2025533 AMAQI
27th Jul 2025544 AMAQI

31°C27/36°C

27th Jul 2025545 AMAQI
27th Jul 2025546 AMAQI
27th Jul 2025547 AMAQI
27th Jul 2025528 AMAQI
27th Jul 2025519 AMAQI
27th Jul 20254310 AMAQI
27th Jul 20254311 AMAQI
27th Jul 20254012 PMAQI
27th Jul 2025431 PMAQI
27th Jul 2025362 PMAQI
27th Jul 2025333 PMAQI
27th Jul 2025354 PMAQI
27th Jul 2025355 PMAQI
27th Jul 2025386 PMAQI
27th Jul 2025417 PMAQI
27th Jul 2025528 PMAQI
27th Jul 2025519 PMAQI
27th Jul 20254810 PMAQI
27th Jul 20255011 PMAQI
28th Jul 20254812 AMAQI
28th Jul 2025541 AMAQI
28th Jul 2025542 AMAQI
28th Jul 2025543 AMAQI
28th Jul 2025534 AMAQI

30°C26/34°C

28th Jul 2025535 AMAQI
28th Jul 2025536 AMAQI
28th Jul 2025537 AMAQI
28th Jul 2025538 AMAQI
28th Jul 2025499 AMAQI
28th Jul 20253610 AMAQI
28th Jul 20255211 AMAQI
28th Jul 20255512 PMAQI
28th Jul 2025541 PMAQI
28th Jul 2025522 PMAQI
28th Jul 2025493 PMAQI
28th Jul 2025504 PMAQI
28th Jul 2025525 PMAQI
28th Jul 2025476 PMAQI
28th Jul 2025497 PMAQI
28th Jul 2025468 PMAQI
28th Jul 2025489 PMAQI
28th Jul 20255210 PMAQI
28th Jul 20255411 PMAQI
29th Jul 20255412 AMAQI
29th Jul 2025541 AMAQI
29th Jul 2025542 AMAQI
29th Jul 2025543 AMAQI
29th Jul 2025544 AMAQI

30°C26/34°C

29th Jul 2025545 AMAQI
29th Jul 2025546 AMAQI
29th Jul 2025547 AMAQI
29th Jul 2025558 AMAQI
29th Jul 2025509 AMAQI
29th Jul 20255310 AMAQI
29th Jul 20254911 AMAQI
29th Jul 20254812 PMAQI
29th Jul 2025481 PMAQI
29th Jul 2025512 PMAQI
29th Jul 2025553 PMAQI
29th Jul 2025334 PMAQI
29th Jul 2025345 PMAQI
29th Jul 2025346 PMAQI
29th Jul 2025337 PMAQI
29th Jul 2025518 PMAQI
29th Jul 2025479 PMAQI
29th Jul 20255210 PMAQI
29th Jul 20255411 PMAQI
30th Jul 20255612 AMAQI
30th Jul 2025541 AMAQI
30th Jul 2025552 AMAQI
30th Jul 2025553 AMAQI
30th Jul 2025544 AMAQI

30°C25/35°C

30th Jul 2025545 AMAQI
30th Jul 2025546 AMAQI
30th Jul 2025547 AMAQI
30th Jul 2025558 AMAQI
30th Jul 2025509 AMAQI
30th Jul 20255410 AMAQI
30th Jul 20255111 AMAQI
30th Jul 20255212 PMAQI
30th Jul 2025421 PMAQI
30th Jul 2025422 PMAQI
30th Jul 2025343 PMAQI
30th Jul 2025514 PMAQI
30th Jul 2025505 PMAQI
30th Jul 2025546 PMAQI
30th Jul 2025547 PMAQI
30th Jul 2025568 PMAQI
30th Jul 2025569 PMAQI
30th Jul 20255610 PMAQI
30th Jul 20255611 PMAQI
31st Jul 20255712 AMAQI
31st Jul 2025551 AMAQI
31st Jul 2025552 AMAQI
31st Jul 2025553 AMAQI
31st Jul 2025554 AMAQI

30°C26/34°C

31st Jul 2025555 AMAQI
31st Jul 2025556 AMAQI
31st Jul 2025557 AMAQI
31st Jul 2025558 AMAQI
31st Jul 2025559 AMAQI
31st Jul 20255310 AMAQI
31st Jul 20255711 AMAQI
31st Jul 20256312 PMAQI
31st Jul 2025581 PMAQI
31st Jul 2025582 PMAQI
31st Jul 2025543 PMAQI
31st Jul 2025544 PMAQI
31st Jul 2025535 PMAQI
31st Jul 2025556 PMAQI
31st Jul 2025547 PMAQI
31st Jul 2025598 PMAQI
31st Jul 2025609 PMAQI
31st Jul 20256210 PMAQI
31st Jul 20256111 PMAQI
1st Aug 20256412 AMAQI
1st Aug 2025581 AMAQI
1st Aug 2025572 AMAQI
1st Aug 2025563 AMAQI
1st Aug 2025584 AMAQI

29°C25/34°C

1st Aug 2025575 AMAQI
1st Aug 2025586 AMAQI
1st Aug 2025577 AMAQI
1st Aug 2025688 AMAQI
1st Aug 2025629 AMAQI
1st Aug 20257410 AMAQI
1st Aug 20256511 AMAQI
1st Aug 20256412 PMAQI
1st Aug 2025691 PMAQI
1st Aug 2025722 PMAQI
1st Aug 2025693 PMAQI
1st Aug 2025674 PMAQI
1st Aug 2025625 PMAQI
1st Aug 2025636 PMAQI
1st Aug 2025637 PMAQI
1st Aug 2025648 PMAQI
1st Aug 2025639 PMAQI
1st Aug 20256610 PMAQI
1st Aug 20256611 PMAQI
2nd Aug 20256312 AMAQI
2nd Aug 2025581 AMAQI
2nd Aug 2025582 AMAQI
2nd Aug 2025593 AMAQI
2nd Aug 2025604 AMAQI

31°C26/36°C

2nd Aug 2025605 AMAQI
2nd Aug 2025606 AMAQI
2nd Aug 2025607 AMAQI
2nd Aug 2025808 AMAQI
2nd Aug 2025809 AMAQI
2nd Aug 20257310 AMAQI
2nd Aug 20257511 AMAQI
2nd Aug 20258112 PMAQI
2nd Aug 2025771 PMAQI
2nd Aug 2025712 PMAQI
2nd Aug 2025663 PMAQI
2nd Aug 2025604 PMAQI
2nd Aug 2025625 PMAQI
2nd Aug 2025666 PMAQI
2nd Aug 2025687 PMAQI
2nd Aug 2025648 PMAQI
2nd Aug 2025689 PMAQI
2nd Aug 20257010 PMAQI
2nd Aug 20256911 PMAQI
3rd Aug 20256812 AMAQI
3rd Aug 2025581 AMAQI
3rd Aug 2025592 AMAQI
3rd Aug 2025623 AMAQI
3rd Aug 2025634 AMAQI

31°C27/36°C

3rd Aug 2025635 AMAQI
3rd Aug 2025626 AMAQI
3rd Aug 2025637 AMAQI
3rd Aug 2025748 AMAQI
3rd Aug 2025809 AMAQI
3rd Aug 20257810 AMAQI
3rd Aug 20257411 AMAQI
3rd Aug 20257212 PMAQI
3rd Aug 2025721 PMAQI
3rd Aug 2025702 PMAQI
3rd Aug 2025683 PMAQI
3rd Aug 2025624 PMAQI
3rd Aug 2025575 PMAQI
3rd Aug 2025646 PMAQI
3rd Aug 2025637 PMAQI
3rd Aug 2025648 PMAQI
3rd Aug 2025659 PMAQI
3rd Aug 20256810 PMAQI
3rd Aug 20256611 PMAQI
4th Aug 20256112 AMAQI
4th Aug 2025611 AMAQI
4th Aug 2025612 AMAQI
4th Aug 2025633 AMAQI
4th Aug 2025634 AMAQI

32°C28/38°C

4th Aug 2025645 AMAQI
4th Aug 2025646 AMAQI
4th Aug 2025647 AMAQI
4th Aug 2025648 AMAQI
4th Aug 2025699 AMAQI
4th Aug 20256510 AMAQI
4th Aug 20256711 AMAQI
4th Aug 20256712 PMAQI
4th Aug 2025601 PMAQI
4th Aug 2025622 PMAQI
4th Aug 2025543 PMAQI
4th Aug 2025584 PMAQI
4th Aug 2025505 PMAQI
4th Aug 2025526 PMAQI
4th Aug 2025587 PMAQI
4th Aug 2025588 PMAQI
4th Aug 2025619 PMAQI
4th Aug 20256110 PMAQI
4th Aug 20256211 PMAQI
5th Aug 20256212 AMAQI
5th Aug 2025601 AMAQI
5th Aug 2025602 AMAQI
5th Aug 2025623 AMAQI
5th Aug 2025634 AMAQI

33°C29/38°C

5th Aug 2025625 AMAQI
5 AM
5th Aug 2025636 AMAQI
5th Aug 2025637 AMAQI
5th Aug 2025668 AMAQI
5th Aug 2025579 AMAQI
5th Aug 20255810 AMAQI
5th Aug 20256011 AMAQI
5th Aug 20255612 PMAQI
12 PM
5th Aug 2025641 PMAQI
5th Aug 2025562 PMAQI
5th Aug 2025493 PMAQI
5th Aug 2025474 PMAQI
5th Aug 2025465 PMAQI
5th Aug 2025586 PMAQI
5th Aug 2025607 PMAQI
7 PM
5th Aug 2025608 PMAQI
5th Aug 2025599 PMAQI
5th Aug 20255910 PMAQI
12 AM
4 AM

--°C/°C

Heure du jour
Heure moyenne la plus haute
5 AM - 7 PM

55AQI

15 heures / Jour
450 heures / Mois
Heure moyenne la plus basse
5 AM - 7 PM

55AQI

15 heures / Jour
450 heures / Mois
Au cours des 30 derniers jours, pendant la journée, l'AQI le plus élevé était entre 5 AM à 7 PM (Moyenne 55), tandis que l'AQI le plus bas était entre 5 AM à 7 PM (Moyenne 55).
Heure de la nuit
Heure moyenne la plus haute
12 AM - 11 PM

58AQI

9 heures / Jour
270 heures / Mois
Heure moyenne la plus basse
12 AM - 11 PM

58AQI

9 heures / Jour
270 heures / Mois
Au cours des 30 derniers jours, pendant la journée, l'AQI le plus élevé était entre 12 AM à 11 PM (Moyenne 58), tandis que l'AQI le plus bas était entre 12 AM à 11 PM (Moyenne 58).

Jours de 2025 Vs Qualité de l'Air

Changan, Hunan, China

2025

10%

21

56%

120

27%

59

6%

13

1%

3

Nombre total de jours avec différentes catégories AQI au cours des 217 derniers jours de 2025 (148 jours restants)

Bon
21 Jours
Modéré
120 Jours
Pauvre
59 Jours
Non sain
13 Jours
Sévère
3 Jours
Dangereux
0 Jours

Sous les limites sécuritaires de l'OMS pour la qualité de l'air : 10%

Niveau de risque sanitaire:

Extrême

En 2025, 10% des 217 jours étaient dans les limites sécuritaires de l'OMS pour la qualité de l'air. Le risque de problèmes de santé est Extrême, pouvant causer des problèmes respiratoires, des maladies cardiaques, des problèmes de peau et du stress, en particulier pour les enfants, les personnes âgées et ceux ayant des conditions préexistantes.

Aperçus Annuels sur la Qualité de l'Air

Changan, Hunan, China

Niveaux AQI en 2025

AQI
PM2.5
PM10
CO
SO2
NO2
O3
Dim.Lun.Mar.Mer.Jeu.Ven.Sam.

Jan.

Fév.

Mar.

Avr.

Mai

Juin

Juil.

Août

Sep.

Oct.

Nov.

Déc.

1st Janvier 2025
158AQI
2nd Janvier 2025
174AQI
3rd Janvier 2025
187AQI
4th Janvier 2025
210AQI
5th Janvier 2025
150AQI
6th Janvier 2025
161AQI
7th Janvier 2025
143AQI
8th Janvier 2025
153AQI
9th Janvier 2025
127AQI
10th Janvier 2025
120AQI
11th Janvier 2025
134AQI
12th Janvier 2025
130AQI
13th Janvier 2025
142AQI
14th Janvier 2025
157AQI
15th Janvier 2025
111AQI
16th Janvier 2025
129AQI
17th Janvier 2025
123AQI
18th Janvier 2025
153AQI
19th Janvier 2025
150AQI
20th Janvier 2025
167AQI
21st Janvier 2025
153AQI
22nd Janvier 2025
171AQI
23rd Janvier 2025
205AQI
24th Janvier 2025
165AQI
25th Janvier 2025
97AQI
26th Janvier 2025
99AQI
27th Janvier 2025
91AQI
28th Janvier 2025
125AQI
29th Janvier 2025
148AQI
30th Janvier 2025
127AQI
31st Janvier 2025
166AQI
1st Février 2025
129AQI
2nd Février 2025
129AQI
3rd Février 2025
144AQI
4th Février 2025
126AQI
5th Février 2025
124AQI
6th Février 2025
104AQI
7th Février 2025
108AQI
8th Février 2025
75AQI
9th Février 2025
86AQI
10th Février 2025
104AQI
11th Février 2025
105AQI
12th Février 2025
128AQI
13th Février 2025
145AQI
14th Février 2025
148AQI
15th Février 2025
154AQI
16th Février 2025
124AQI
17th Février 2025
105AQI
18th Février 2025
91AQI
19th Février 2025
100AQI
20th Février 2025
119AQI
21st Février 2025
132AQI
22nd Février 2025
82AQI
23rd Février 2025
149AQI
24th Février 2025
134AQI
25th Février 2025
139AQI
26th Février 2025
120AQI
27th Février 2025
106AQI
28th Février 2025
110AQI
1st Mars 2025
93AQI
2nd Mars 2025
77AQI
3rd Mars 2025
54AQI
4th Mars 2025
83AQI
5th Mars 2025
77AQI
6th Mars 2025
99AQI
7th Mars 2025
108AQI
8th Mars 2025
101AQI
9th Mars 2025
104AQI
10th Mars 2025
99AQI
11th Mars 2025
86AQI
12th Mars 2025
113AQI
13th Mars 2025
93AQI
14th Mars 2025
83AQI
15th Mars 2025
73AQI
16th Mars 2025
84AQI
17th Mars 2025
74AQI
18th Mars 2025
82AQI
19th Mars 2025
81AQI
20th Mars 2025
83AQI
21st Mars 2025
81AQI
22nd Mars 2025
88AQI
23rd Mars 2025
110AQI
24th Mars 2025
97AQI
25th Mars 2025
104AQI
26th Mars 2025
121AQI
27th Mars 2025
120AQI
28th Mars 2025
87AQI
29th Mars 2025
94AQI
30th Mars 2025
82AQI
31st Mars 2025
96AQI
1st Avril 2025
92AQI
2nd Avril 2025
93AQI
3rd Avril 2025
98AQI
4th Avril 2025
107AQI
5th Avril 2025
111AQI
6th Avril 2025
103AQI
7th Avril 2025
103AQI
8th Avril 2025
114AQI
9th Avril 2025
103AQI
10th Avril 2025
94AQI
11th Avril 2025
85AQI
12th Avril 2025
262AQI
13th Avril 2025
126AQI
14th Avril 2025
144AQI
15th Avril 2025
96AQI
16th Avril 2025
105AQI
17th Avril 2025
104AQI
18th Avril 2025
98AQI
19th Avril 2025
100AQI
20th Avril 2025
108AQI
21st Avril 2025
77AQI
22nd Avril 2025
86AQI
23rd Avril 2025
83AQI
24th Avril 2025
75AQI
25th Avril 2025
88AQI
26th Avril 2025
74AQI
27th Avril 2025
80AQI
28th Avril 2025
94AQI
29th Avril 2025
92AQI
30th Avril 2025
78AQI
1st Mai 2025
86AQI
2nd Mai 2025
79AQI
3rd Mai 2025
86AQI
4th Mai 2025
91AQI
5th Mai 2025
77AQI
6th Mai 2025
106AQI
7th Mai 2025
108AQI
8th Mai 2025
73AQI
9th Mai 2025
86AQI
10th Mai 2025
78AQI
11th Mai 2025
76AQI
12th Mai 2025
81AQI
13th Mai 2025
80AQI
14th Mai 2025
101AQI
15th Mai 2025
86AQI
16th Mai 2025
71AQI
17th Mai 2025
78AQI
18th Mai 2025
103AQI
19th Mai 2025
85AQI
20th Mai 2025
68AQI
21st Mai 2025
67AQI
22nd Mai 2025
57AQI
23rd Mai 2025
81AQI
24th Mai 2025
92AQI
25th Mai 2025
89AQI
26th Mai 2025
88AQI
27th Mai 2025
97AQI
28th Mai 2025
72AQI
29th Mai 2025
72AQI
30th Mai 2025
56AQI
31st Mai 2025
52AQI
1st Juin 2025
46AQI
2nd Juin 2025
59AQI
3rd Juin 2025
69AQI
4th Juin 2025
87AQI
5th Juin 2025
73AQI
6th Juin 2025
78AQI
7th Juin 2025
66AQI
8th Juin 2025
63AQI
9th Juin 2025
69AQI
10th Juin 2025
75AQI
11th Juin 2025
64AQI
12th Juin 2025
66AQI
13th Juin 2025
61AQI
14th Juin 2025
57AQI
15th Juin 2025
62AQI
16th Juin 2025
59AQI
17th Juin 2025
52AQI
18th Juin 2025
52AQI
19th Juin 2025
51AQI
20th Juin 2025
50AQI
21st Juin 2025
47AQI
22nd Juin 2025
39AQI
23rd Juin 2025
42AQI
24th Juin 2025
46AQI
25th Juin 2025
50AQI
26th Juin 2025
52AQI
27th Juin 2025
54AQI
28th Juin 2025
47AQI
29th Juin 2025
45AQI
30th Juin 2025
46AQI
1st Juillet 2025
45AQI
2nd Juillet 2025
42AQI
3rd Juillet 2025
42AQI
4th Juillet 2025
47AQI
5th Juillet 2025
54AQI
6th Juillet 2025
58AQI
7th Juillet 2025
60AQI
8th Juillet 2025
63AQI
9th Juillet 2025
58AQI
10th Juillet 2025
57AQI
11th Juillet 2025
63AQI
12th Juillet 2025
60AQI
13th Juillet 2025
57AQI
14th Juillet 2025
59AQI
15th Juillet 2025
59AQI
16th Juillet 2025
59AQI
17th Juillet 2025
61AQI
18th Juillet 2025
60AQI
19th Juillet 2025
62AQI
20th Juillet 2025
56AQI
21st Juillet 2025
46AQI
22nd Juillet 2025
41AQI
23rd Juillet 2025
39AQI
24th Juillet 2025
47AQI
25th Juillet 2025
50AQI
26th Juillet 2025
55AQI
27th Juillet 2025
47AQI
28th Juillet 2025
51AQI
29th Juillet 2025
49AQI
30th Juillet 2025
52AQI
31st Juillet 2025
56AQI
1st Août 2025
63AQI
2nd Août 2025
66AQI
3rd Août 2025
66AQI
4th Août 2025
62AQI

146AQI

119AQI

91AQI

102AQI

81AQI

58AQI

53AQI

64AQI

Nombre de jours

Jan.Fév.Mar.Avr.MaiJuinJuil.AoûtSep.Oct.Nov.Déc.Jours totaux

202592AQI

3
14
12
2
5
22
1
23
8
18
11
1
27
4
10
20
11
20
4
21
120
59
13
3

Le plus élevé AQI enregistré en

Janvier

146AQI

Le plus bas AQI enregistré en

Juillet

53AQI

202487AQI

1
7
17
6
2
13
9
5
19
12
2
27
1
4
25
2
20
10
24
7
6
24
1
21
9
1
12
15
3
2
10
14
4
1
23
7
62
176
103
25

Le plus élevé AQI enregistré en

Décembre

134AQI

Le plus bas AQI enregistré en

Juillet

38AQI

202388AQI

5
11
9
6
1
10
13
4
2
11
15
3
4
18
7
1
1
29
1
9
21
15
16
5
23
3
7
23
1
15
14
1
2
17
7
2
15
11
3
49
203
82
20
7

Le plus élevé AQI enregistré en

Janvier

151AQI

Le plus bas AQI enregistré en

Juillet

52AQI

202294AQI

4
9
17
6
14
1
3
14
13
1
24
6
24
7
10
20
9
13
1
18
10
6
14
11
22
8
1
10
14
6
30
169
92
25

Le plus élevé AQI enregistré en

Janvier

148AQI

Le plus bas AQI enregistré en

Août

47AQI

2021101AQI

2
17
12
7
17
4
18
12
1
18
12
1
24
6
1
21
8
2
28
1
1
17
3
3
21
6
22
6
3
14
8
8
5
13
13
8
197
109
41

Le plus élevé AQI enregistré en

Janvier

140AQI

Le plus bas AQI enregistré en

Juillet

70AQI

202094AQI

2
5
4
2
12
9
10
8
4
26
4
25
2
5
22
4
4
19
7
4
13
13
1
14
16
2
8
21
23
148
71
24

Le plus élevé AQI enregistré en

Décembre

154AQI

Le plus bas AQI enregistré en

Juin

68AQI

Années les plus & moins polluées des 6 dernières années

Année la plus polluée enregistrée
2021(Moyenne)
101AQI
Année la moins polluée enregistrée
2024(Moyenne)
87AQI

La qualité de l'air annuelle de Changan pour l'année 2025 AQI (92) montre un changement moyen de pourcentage de -0.4% (amélioré AQI) par rapport aux années précédentes : 2020 (94), 2021 (101), 2022 (94), 2023 (88), 2024 (87).